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Finding the Fourth Proportional to 569,887.02, 786,253.09 and 328,164.39

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Solution

The fourth proportional to 569,887.02, 786,253.09 and 328,164.39 is: 452,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,887.02 : 786,253.09 = 328,164.39 : x
  2. Step 2: Convert to fraction form
    569,887.02/786,253.09 = 328,164.39/x
  3. Step 3: Cross multiply
    569,887.02x = 786,253.09 × 328,164.39
  4. Step 4: Simplify right side
    569,887.02x = 258,020,265,665.47
  5. Step 5: Solve for x
    x = 258,020,265,665.47/569,887.02
  6. Step 6: Final answer
    x = 452,756.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.